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Income Taxes - Deferred Income Tax Balances (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Income Tax Disclosure [Abstract] |  |
U.S. foreign tax credit | $ 5,058 |
U.S. net operating loss carryforwards |  | 859
Stock and long-term compensation plans | 1,318 | 2,410
Foreign NOL & other carryforwards | 2,930 | 2,675
US state income taxes | 574 | 285
US alternative minimum tax | 395 | 456
Deferred revenue | 965 | 255
Reserve for uncertain tax issues | (560) | (560)
US tax on unremitted foreign earnings | (380) |
Accrued expenses and other | 67 | 183
Total gross deferred tax assets | 10,367 | 6,563
Less: Valuation allowance | (2,399) | (2,284)
Net deferred income tax assets | 7,968 | 4,279
Swiss tax allowances | 726 | 543
Intangible assets | 321 | 141
Deferred tax liabilities | $ 1,047 | $ 684

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